Published yesterday in the Journal of Medical Case Reports is a new paper from GrassrootsHealth. Titled “25-Hydroxyvitamin D variability within-person due to diurnal rhythm and illness: a case report,” the objective of this study...
In this three-part series on magnesium, we previously discussed what magnesium is and how it works in the body (part 1) and today we will take a look at why magnesium is important for...
We sometimes receive great testimonials and feedback from our D*action participants, and from others who are aware of the importance of the GrassrootsHealth mission. In response to one of our latest newsletters, one of...
Science Speaks: How much vitamin D do I need? We often receive questions about how much supplemental vitamin D someone should take. The key indicator of vitamin D status is the nutrient level in...
Our very first D*action test results came in just over 9 years ago, in January 2009. Over 11,500 individuals have now taken part in our “observational field trial” by sharing their vitamin D test...
Does Exercise Improve Response to Vitamin D? We looked at some of our D*action data to investigate that question… As part of the D*action questionnaire, we ask participants what level(s) of exercise they engage...